Lenovo ThinkPad 390X User's Reference for ThinkPad 390 - Page 111

Troubleshooting Charts, and look for your problem. If you find the problem, go to

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Troubleshooting Charts Troubleshooting Charts If your computer has an error, it often displays a message or an error code, or a beep sounds when you power it on. Go through the charts and look for your problem. If you find the problem, go to the page indicated and do the specified action. Troubleshooting Chart Error codes or screen messages No error codes or screen messages Input problems Suspend or hibernation problems LCD problems Indicator problems Battery problems CD-ROM drive problems Infrared communication problems Audio or telephony problems Universal serial bus (USB) problems Modem problems PC Card problems Printer problems External display problems Port replicator problems Other option problems Software problems Other problems Page 96 97 98 100 102 103 103 104 105 106 106 107 109 110 111 113 114 115 116 Chapter 4. Solving Computer Problems 95

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Troubleshooting Charts
Troubleshooting Charts
If your computer has an error, it often displays a message or an error
code, or a beep sounds when you power it on. Go through the charts
and look for your problem. If you find the problem, go to the page
indicated and do the specified action.
Troubleshooting Chart
Page
Error codes or screen messages
96
No error codes or screen messages
97
Input problems
98
Suspend or hibernation problems
100
LCD problems
102
Indicator problems
103
Battery problems
103
CD-ROM drive problems
104
Infrared communication problems
105
Audio or telephony problems
106
Universal serial bus (USB) problems
106
Modem problems
107
PC Card problems
109
Printer problems
110
External display problems
111
Port replicator problems
113
Other option problems
114
Software problems
115
Other problems
116
Chapter 4.
Solving Computer Problems
95